trigonometry

Related Questions

• If $\Delta ={{a}^{2}}-{{(b-c)}^{2}}$ , where $\Delta $ is the area of triangle $ABC$ , then tan A is equal to

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• The area of a $\Delta ABC$ is equal to

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• The value of the expression $1-\frac{{{\sin }^{2}}y}{1+\cos \,y}+\frac{1+\cos \,y}{\sin \,y}-\frac{\sin \,\,y}{1-\cos \,y}$ is equal to

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• In a $\Delta ABC,$ $A:B:C$. Then $[a+b+c\sqrt{2}]$ is equal to

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• If $\sec x\cos 5x+1=0$, where $0<x<2\pi $, then $x =$

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